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' • ~IBIT I/J (Cont'd) <br /> <br /> Sandy Al1u~-ial Land <br />Sand}' allnvial land (Sm~ consists of an »nstahle accumu- <br /> lation of gra\'elh' and sandp alhn'ium. It. is in and <br /> adjacent to beds of intermittent streams thron!rhouG <br />' the eastern three-fourths of Adams Count}-. Durin~~ <br /> periods of heavy ram, the strcambeds are subject to flood-~ <br /> ing, and channels are relocated and sediment is shifted) <br /> and redeposited at slightl\• different locations. During dre~ <br />' spells. this land tope is e~tremelc droughty. <br /> Sande alluvial ]and consists of maccrial that \cas' <br /> transported b\' \cater from the sand and gavel beds in <br /> or adjacent to the area. It. is stratified brcanse of periodic <br />' flooding. Thin lenses or small pockets of silt. cla}•, and <br /> sand are also mired n'ith the gravel. <br /> This land t}-pe differs from ',\'et alltn•ial land pri- <br /> marilc in that rt is coarser textured throughout and is <br />' not affected b\' a \cater table. <br /> Sandy alluvial land is either barren or has only a sparse <br /> co\'er of \ceeds. It is used for ^razin!* alon_ \vith the <br /> better rangeland adjacent to it. Capability' unit \'IIm-1. <br />' nonirriRated: not placed in n ran_e site: [rc•e planting <br /> suitability group 4. <br />' CA PADILITY G\'IT VIIw-1. NO]IIt R[GATED <br />This- untt cons-ISts only of Sanily alluvtal land. This <br /> land type consists mainly of sands and gravelly mate- <br /> rials deposited be streams. It is immediatelc adjacent to <br /> stream channels. . <br />' Saud}' alluvml land is not suitable for culticatlon, be- i <br /> cause it is too droughty and receives eery frequent. <br /> damaging floodnater and detrimental deposition during <br /> \\'et periods. Iu places it is bare of vege[atiat, but in <br />' other places a sparse cover of grasses, shrubs, and cot- <br /> tonwood trees Is present. The sparse grassy cover has <br /> some ~n'azing value at times. but the land as R \\'hole is <br /> unsuitable for regular grazing. Little if any improve- <br />' ments can be made beratlse of the hazard of flooding. <br /> TI\e trees and shrubs are of some value to livestock as <br /> protection from wituer storms and, in sununcr, for the <br />' shade they atlord. <br /> TI[EE Pi.AI:7IkG SFITARI LITI' GROUP ~ <br /> This grrnip consists of soils that are ;,~rnerallc un- <br /> favoraLlc or unsuitable for tries hccausr of one or nunr <br />' limitations. '1'hesr limitations arc salinity. alknlinrtc. <br /> clnpr. rxrr.=rive «~ctnrss. poor arration. roblllrslnnrs. <br /> L•r;n~el. sballott~ness, lore available moisture. capaeitc, and <br /> nnf:norahlc tcsturr such as dune sand or crI'} hra\•y clay. <br /> Trees arc not conunmd}' desired or pinntecl rnt soils of this <br /> group. <br /> Some small nrcas of soils in this groun arc satisfactory <br /> for trees in places. Othrr soils can be improved by pro- <br />' vidin_ better dr:nnage. by Wring salt- or alkali-reducing <br /> pI'aCtICCS. allll b\' applylllg 811nI1^l' 111Ca511I'CS. <br /> Onsi[e investigation is nr•rdrd on the soils of this group <br /> before tires arc plantrd. -',ssistauce can br obtained be <br /> contacting the local office of the Cnil ('c+nsc•rcatiou Srr\'ICC. <br /> <br />i~ <br />49 <br />